Glacial Spike, lv 20 (1 point in Ice Bolt, 1 point in Ice Blast)

247 - 266
Freeze for 4.2 sec
19.6 mana

Glacial Spike, lv 26 (7 points in I. Bolt, I. Blast) <-- I think the +skills from items won't give damage bonus....but not too sure at this point.

395 - 421
Freeze for 5 second
22.5 mana

Frozen Orb lv 26 (7 points in I. Bolt)
408-428
Cold Length 33 second.
33 mana